Holli Riebeck

Holli Riebeek leads the education and public outreach team for the Landsat program at NASA Goddard Space Flight Center. She is a science writer with a strong interest in Earth system science and climate issues. Prior to joining the Landsat team, Holli wrote for NASA's Earth Observatory and led education and public outreach efforts for NASA's Terra mission. Holli has a graduate degree in science communication from the University of Washington and an undergraduate degree in physics from Idaho State University. She is interested in ongoing adult education, particularly in informal settings.

This week, NASA announced that it will partner with the European Space Agency to send a 4,760-pound spacecraft into space to peer out over billions of galaxies in an effort to map and measure the universe. Its purpose: to investigate the mysteries of dark matter and dark energy.

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